A183952 - OEIS

%I #5 Mar 31 2012 12:35:55

%S 1,3,9,48,259,1387,7099,34847,163588,737538,3200055,13400036,54289217,

%T 213301597,814463579,3028171125,10981909481,38908787433,134868584027,

%U 457962911722,1525173224446,4987066348804,16026405323579,50662230359800

%N Number of strings of numbers x(i=1..n) in 0..8 with sum i^2*x(i) equal to n^2*8

%C Column 8 of A183953

%H R. H. Hardin, <a href="/A183952/b183952.txt">Table of n, a(n) for n = 1..37</a>

%e Some solutions for n=4

%e ..1....7....5....0....3....4....4....0....1....2....8....2....8....3....4....8

%e ..1....8....7....2....5....1....7....0....0....2....6....3....4....1....2....8

%e ..3....1....7....8....1....8....0....0....7....6....0....2....8....1....4....8

%e ..6....5....2....3....6....3....6....8....4....4....6....6....2....7....5....1

%K nonn

%O 1,2

%A _R. H. Hardin_ Jan 08 2011